Strain number NIES-1859  
Phylum Chlorophyta  
Class Chlorophyceae  
Scientific name Yamagishiella unicocca (Rayburn & Starr) Nozaki  
Synonym Pandorina unicocca W.R.Rayburn & R.C.Starr 1974  
Former name  
Common name Green alga  
Locality (Date of collection) Noumi Isl., Noumi, Etajima, Hiroshima, Japan (2004-08-18)  
Latitude / Longitude  
Habitat (Isolation source) Freshwater (Soil)  
History < Nozaki, Hisayoshi  
Isolator (Date of isolation) Yamada, Toshihiro (2004-09-29)  
Identified by Yamada, Toshihiro  
State of strain Cryopreservation; Unialgal; Clonal; Non-axenic[2018 Mar]  
Culture condition
(Preculture condition)
Medium:  AF-6  
Temperature:  20 C
Light intensity:  7-13 µmol photons/m2/sec, L/D cycle:  10L:14D
Duration:  2 M  
Gene information mat3 ( AB771933 ) , rbcL ( AB359065 ) , MID ( LC274882 )  
Cell size (min - max)  
Organization  
Characteristics Planktonic ; Cosmopolitan ; Phototaxis ; Heterothallic ; Dioecious ; Isogamous ; Mating type (−) ; Crosses with NIES-1861 ; F2 strains (NIES-3982, 3983)  
Other strain no. Other strain no. : Hasu-1  
Remarks Cryopreserved 
Movie  
Reference
Yamagishi, S., Yamamoto, K., Takahashi, K., Kawai-Toyooka, H., Suzuki, S., Matsuzaki, R., Yamaguchi, H., Kawachi, M., Higashiyama, T., Nozaki, H. 2023 Evolutionary analysis of MID homologs during the transition from homothallic species to heterothallic species in Volvox sect. Volvox (Chlorophyceae). Phycol. Res., 72, 46-55.
Keywords: male gamete; mating system; minus dominance gene (MID); molecular evolution; sex; sperm packet; volvocine green algae
Strain(s): 28945646054154454556957257458265265365473285185285787289189213621363170817101859245725692735273627403382338337803782378638743984398639884021402543364432453545364537 
DOI: 10.1111/pre.12538

Hanschen, E. R., Davison, D. R., Ferris, P. J., Michod, R. E. 2018 On the rediscovery of Volvox perglobator (Volvocales, Chlorophyceae) and the evolution of outcrossing from self-fertilization. Evol. Ecol. Res., 19, 299-318.
Keywords: homothallism; phylogenetics; reversion; self-fertilization; sexual reproduction; volvocine green algae
Strain(s): 28942145645846047452254154354454556456656856957157257457858265373275185185687287687787888088210381122114011481156115713621708171117131859245725692738338233883780378239864145425842594260 

Hiraide, R., Kawai-Toyooka, H., Hamaji, T ., Matsuzaki, R., Kawafune, K., Abe, J., Sekimoto, H., Umen, J., Nozaki, H. 2013 The evolution of male–female sexual dimorphism predates the gender-based divergence of the mating locus gene MAT3/RB. Mol. Biol. Evol., 30, 1038-1040.
Keywords: gender-based divergence; gene conversion; male–female sexual dimorphism; MAT3/RB, mating type locus; volvocine algae
Strain(s): 722733866171017111859186139854018 
PubMed: 23364323
DOI: 10.1093/molbev/mst018

Yamada, T. K., Miyaji, K., Nozaki, H. 2008 A taxonomic study of Eudorina unicocca (Volvocaceae, Chlorophyceae) and related species, based on morphology and molecular phylogeny. Eur. J. Phycol., 43, 317-326.
Keywords: aplanosporic strain; Eudorina unicocca; Eudorina peripheralis stat. nov.; Chlorophyceae; molecular phylogeny; morphology; taxonomy; Volvocales; Yamagishiella
Strain(s): 5786667177227237247257268708721855185618571858185918601861 
DOI: 10.1080/09670260701763484

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